CN212570122U

CN212570122U - Portable inertia demonstration teaching aid

Info

Publication number: CN212570122U
Application number: CN202021253360.XU
Authority: CN
Inventors: 袁琳
Original assignee: Limited By Share Ltd Culture And Technology Tianjin Ltd By Share Ltd
Current assignee: Limited By Share Ltd Culture And Technology Tianjin Ltd By Share Ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-02-19
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a portable inertia demonstration teaching aid, the power distribution box comprises a box body, the box includes box and last box down, box and last box one side are passed through hinge connection down, box and last box height such as down, all be equipped with the bottom plate in box and the last box down, two U type fixed plates that fixed surface connected equidistance was arranged on the bottom plate, the inside fixed mounting spring of U type fixed plate, spring other end fixed connection push pedal, the push pedal is kept away from and is equipped with the slide on the bottom plate of spring one side, the slide both sides all are equipped with the baffle. This kind of portable inertia demonstration teaching aid, all teaching aids are adorned in the box, portable, and the box is transparent material, can directly observe whether the teaching aid lacks, and the spring can observe the influence of quality to inertia to the bobble application of force of quality simultaneously.

Description

Portable inertia demonstration teaching aid

Technical Field

The utility model relates to a physics experiment teaching aid technical field specifically is a portable inertia demonstration teaching aid.

Background

A section of middle school physics course is 'inertia', the inertia refers to the property that an object keeps a static state or a uniform linear motion state, the inertia is an inherent shape of the object and is expressed as an impedance process of the object to other motion state changes, and a teacher often encounters a student to understand the abstract concept of the inertia in the teaching process, so teaching materials are presented in a mode commonly used by the teacher, the existing inertia teaching aid is inconvenient to carry, accessories are easy to lose, and therefore a portable inertia demonstration teaching aid is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable inertia demonstration teaching aid to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a portable inertia demonstration teaching aid comprises a box body, wherein the box body comprises a lower box body and an upper box body, the lower box body is connected with one side of the upper box body through a hinge, the lower box body and the upper box body are equal in height, a bottom plate is arranged in each of the lower box body and the upper box body, two U-shaped fixed plates which are arranged at equal intervals are fixedly connected to the upper surface of the bottom plate on the lower box body, springs are fixedly mounted in the U-shaped fixed plates, the other ends of the springs are fixedly connected with a push plate, a slide way is arranged on the bottom plate on one side, away from the springs, of the push plate, two sides of the slide way are respectively provided with a baffle plate, a block placing groove is arranged on one side, close to the upper box body, of the lower box body, and is provided with matched T-shaped blocks, a trolley placing groove is arranged on one side, away from the block placing, the wood block placing groove is provided with a plurality of wood blocks which are matched, two pellet placing grooves are arranged on one side, away from the trolley placing groove, of the wood block placing groove, and the pellet placing grooves are provided with matched pellets.

Preferably, the outer surface of the upper box body is provided with a handle.

Preferably, a bottom plate in the upper box body is provided with a fixing groove, and the fixing groove is matched with the protruding part on the lower box body.

Preferably, a grinding cushion is paved on the slideway.

Preferably, the box body and the bottom plate are made of transparent materials.

Preferably, the side face of the push plate, which is close to one side of the slide way, is provided with an arc-shaped groove matched with the ball, and the push plate is connected with the baffle plate through a guide rail.

Preferably, one side of the U-shaped fixing plate is provided with a graduated scale.

Preferably, the small balls are iron balls and wood balls with the same volume, and rubber pads are wrapped on the surfaces of the small balls.

Preferably, the box body is provided with a lock catch at the opening and closing position.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of portable inertia demonstration teaching aid, all teaching aids are adorned in the box, portable, and the box is transparent material, can directly observe whether the teaching aid lacks, and the spring can observe the influence of quality to inertia to the bobble application of force of quality simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the case body of the present invention;

in the figure: the device comprises a box body 1, a lower box body 2, an upper box body 3, a 4U-shaped fixing plate, a spring 5, a push plate 6, a small ball 7, a baffle 8, a trolley placing groove 9, a wooden block placing groove 10, a small ball placing groove 11, a stop block placing groove 12, a T-shaped stop block 13, a trolley 14, a wooden block 15, a fixing groove 16, a slideway 17, a bottom plate 18, a handle 19 and a graduated scale 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a portable inertia demonstration teaching aid comprises a box body 1, wherein the box body 1 comprises a lower box body 2 and an upper box body 3, the lower box body 2 is connected with one side of the upper box body 3 through a hinge, the lower box body 2 is as high as the upper box body 3, bottom plates 18 are arranged in the lower box body 2 and the upper box body 3, the upper surface of each bottom plate 18 is fixedly connected with two U-shaped fixing plates 4 which are arranged at equal intervals, springs 5 are fixedly arranged in the U-shaped fixing plates 4, the other ends of the springs 5 are fixedly connected with a push plate 6, a slide way 17 is arranged on the bottom plate 18 at the side, far away from the springs 5, of the push plate 6, two sides of the slide way 17 are respectively provided with a baffle plate 8, a baffle block placing groove 12 is arranged at one side, close to the upper box body 3, of the lower box body 2, the baffle placing groove 12 is provided with a T-shaped baffle plate 13 which is matched, dolly standing groove 9 is kept away from dog standing groove 12 one side and is equipped with billet standing groove 10, billet standing groove 10 is furnished with a plurality of the same billets 15 of assorted, billet standing groove 10 is kept away from dolly standing groove 9 one side and is equipped with two bobble standing grooves 11, bobble standing groove 11 is furnished with assorted bobble 7.

Specifically, the utility model discloses in, let the student know what is inertia in the classroom, place billet 15 on dolly 14 on the slide with dolly 14 on, block T type dog 13 on slide 17, make dolly 14 hug closely push pedal 6 and press push pedal 6 and make spring 5 compress, relieve push pedal 6, dolly 14 is popped out, dolly 14 is forbidden relatively with billet 15 this moment, when dolly 14 hits at T type dog 13, billet 15 flew out.

After what is inertia through knowing, this inertia demonstration teaching aid can also let the student know the factor that influences inertia, presses two bobbles 7 of different masses respectively in the arc recess of push pedal 6, presses push pedal 6, observes through scale 20, makes push pedal 6 be located the same position, releases push pedal 6 bobble 7 and pops out, and bobble 7 stops on slide 17 after the motion, through the position of observing bobble 7, considers the factor that influences inertia.

Further, the outer surface of the upper box body 3 is provided with a handle 19.

Furthermore, a bottom plate 18 in the upper box body 3 is provided with a fixing groove 16, and the fixing groove 16 is matched with the convex part of the lower box body 2.

Furthermore, a large-resistance abrasive pad is laid on the slideway 17.

Furthermore, the box body 1 and the bottom plate 18 are made of transparent materials.

Further, an arc-shaped groove matched with the small ball 7 is formed in the side face of one side, close to the slide way 17, of the push plate 6, the push plate 6 is connected with the baffle plate 8 through a guide rail, the guide rail is a linear guide rail or a ball guide rail, the flexible spring can be prevented from being deviated due to the guide rail, and meanwhile friction force between the push plate 6 and the baffle plate 8 can be reduced.

Furthermore, a graduated scale 20 is disposed on one side of the U-shaped fixing plate 4.

Further, the small balls 7 are iron balls and wood balls with the same volume, and rubber pads are wrapped on the surfaces of the small balls 7.

Furthermore, the box body 1 is provided with a lock catch at the opening and closing position.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable inertia demonstration teaching aid, includes box (1), its characterized in that: the box body (1) comprises a lower box body (2) and an upper box body (3), the lower box body (2) is connected with one side of the upper box body (3) through a hinge, the lower box body (2) and the upper box body (3) are equal in height, a bottom plate (18) is arranged in each of the lower box body (2) and the upper box body (3), the upper surface of the bottom plate (18) on the lower box body (2) is fixedly connected with two U-shaped fixing plates (4) which are arranged at equal intervals, a spring (5) is fixedly installed in each U-shaped fixing plate (4), the other end of the spring (5) is fixedly connected with a push plate (6), a slide way (17) is arranged on the bottom plate (18) on one side, far away from the spring (5), of the push plate (6), two sides of the slide way (17) are respectively provided with a baffle (8), a baffle block placing groove (12) is arranged on one side, close to the upper box body (3), and the, dog standing groove (12) one side is equipped with dolly standing groove (9), dolly standing groove (9) are furnished with assorted dolly (14), dog standing groove (12) one side is kept away from in dolly standing groove (9) is equipped with billet standing groove (10), billet standing groove (10) are furnished with a plurality of the same billet of assorted (15), billet standing groove (10) are kept away from dolly standing groove (9) one side and are equipped with two bobble standing grooves (11), bobble standing groove (11) are furnished with assorted bobble (7).

2. A portable inertial demonstration teaching aid according to claim 1 wherein: the outer surface of the upper box body (3) is provided with a handle (19).

3. A portable inertial demonstration teaching aid according to claim 1 wherein: a bottom plate (18) in the upper box body (3) is provided with a fixing groove (16), and the fixing groove (16) is matched with the protruding part of the lower box body (2).

4. A portable inertial demonstration teaching aid according to claim 1 wherein: and a grinding pad is paved on the slideway (17).

5. A portable inertial demonstration teaching aid according to claim 1 wherein: the box body (1) and the bottom plate (18) are made of transparent materials.

6. A portable inertial demonstration teaching aid according to claim 1 wherein: the side face of the push plate (6) close to one side of the slide way (17) is provided with an arc-shaped groove matched with the small ball (7), and the push plate (6) is connected with the baffle (8) through a guide rail.

7. A portable inertial demonstration teaching aid according to claim 1 wherein: and a graduated scale (20) is arranged on one side of the U-shaped fixing plate (4).

8. A portable inertial demonstration teaching aid according to claim 1 wherein: the small balls (7) are iron balls and wood balls with the same volume, and rubber pads are wrapped on the surfaces of the small balls (7).

9. A portable inertial demonstration teaching aid according to claim 1 wherein: the box body (1) is provided with a lock catch at the opening and closing position.